Drive hard off the bottom and perform controlled flowing turns. Neutral fin with elongated base. Provides excess drive and hold for longer turns and trim stability. Suited to a more laid-back style of longboarding. Designed to be used as a single fin. Performance Glass (PG) fins are machine cut from layers of solid fibreglass. These fins are stiff and are widely used by pro-level surfers because the integrity of the flex is maintained under immense force, and in the most extreme of conditions and situations.